package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ReadBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.common.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApReadBehaviorServiceImpl implements ApReadBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    @Override
    public ResponseResult readBehavior(ReadBehaviorDTO dto) {
       //1. 校验参数 文章id必须传
        ApUser user = AppThreadLocalUtils.getUser();
        //  2. 根据登录用户id 或 设备id查询行为实体数据(阅读操作可不登录)
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user == null ? null : user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry==null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "获取行为实体信息失败");
        }
        // 3. 判断阅读行为是否存在
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApReadBehavior behavior = mongoTemplate.findOne(query, ApReadBehavior.class);
        if (behavior==null) {
            // 5. 不存在  创建阅读行为 并初始化count字段值为 1
           behavior=  new ApReadBehavior();
           behavior.setEntryId(apBehaviorEntry.getId());
           behavior.setArticleId(dto.getArticleId());
           behavior.setCount((short)1);
           behavior.setCreatedTime(new Date());
           behavior.setUpdatedTime(new Date());
           mongoTemplate.save(behavior);
        }else {
            // 4. 存在  将阅读行为的count字段加1 并修改
            behavior.setCount((short)(behavior.getCount()+1));
            mongoTemplate.save(behavior);
        }
        return ResponseResult.okResult();
    }
}
